Solver-verified route
- Place Piece 1 across column 4 row 6, column 5 row 6, column 3 row 7, column 4 row 7.
- Place Piece 2 across column 5 row 7, column 6 row 7, column 5 row 8.
- Place Piece 3 at column 3, row 6.
- Place Piece 4 at column 3, row 8.
Part of the "Corner work" chapter. The solver certified 24 solving lines with 96% of in-between placements being dead ends, for a difficulty score of 16.8 (grade 3 of 5).